MELISSA ANN MERCER LCSW
NPI 1285819649
Social Worker - Clinical in Commerce, CA

NPI Status: Active since January 04, 2008

Contact Information

2450 S ATLANTIC BLVD
SUITE #101
COMMERCE, CA
ZIP 90040
Phone: (323) 318-9960
Fax: (323) 780-3211

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  • Individual
  • Female
  • Social Worker
  • Clinical

About MELISSA MERCER

This page provides the complete NPI Profile along with additional information for Melissa Mercer, a provider established in Commerce, California with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1285819649 assigned on January 2008. The practitioner's primary taxonomy code is 1041C0700X with license number 26333 (CA). The provider is registered as an individual and her NPI record was last updated 2 years ago.

NPI
1285819649
Provider Name
MELISSA ANN MERCER LCSW
Gender
Female
Entity Type
Individual
Location Address
2450 S ATLANTIC BLVD SUITE #101 COMMERCE, CA 90040
Location Phone
(323) 318-9960
Location Fax
(323) 780-3211
Mailing Address
21545 CENTRE POINTE PKWY SANTA CLARITA, CA 91350
Mailing Phone
(661) 259-9439
Is Sole Proprietor?
Yes
Enumeration Date
01-04-2008
Last Update Date
08-26-2024
Code Navigator

A clinical social worker like Melissa Mercer is licensed to diagnose and treat mental, behavioral, and emotional disorders. A clinical social worker helps patients develop strategies to change behavior or cope with difficult situations and refer patients to other resources or services, such as support groups or other mental health professionals.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Social Worker Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
License No.
26333
License State
CA
Taxonomy Description
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1285819649, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 8 → 16 → 7 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 6 + 5 + 1 + 6 + 1 + 1 + 8 + 6 + 8 + 24 = 71

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1285819649.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Marriage & Family Therapist
2450 S ATLANTIC BLVD, # 101
COMMERCE, CA 90040
Psychologist (Clinical)
2450 S ATLANTIC BLVD, SUITE 101
COMMERCE, CA 90040
Marriage & Family Therapist
2450 S ATLANTIC BLVD, # 101
COMMERCE, CA 90040
Marriage & Family Therapist
2450 S ATLANTIC BLVD
COMMERCE, CA 90040
Counselor (Mental Health)
2450 S ATLANTIC BLVD
COMMERCE, CA 90040
Rehabilitation Practitioner
2450 S ATLANTIC BLVD, SUITE 101
COMMERCE, CA 90040
Marriage & Family Therapist
2450 S ATLANTIC BLVD, SUITE 101
COMMERCE, CA 90040
Rehabilitation Practitioner
2450 S ATLANTIC BLVD, SUITE #207
COMMERCE, CA 90040
Rehabilitation Practitioner
2450 S ATLANTIC BLVD, SUITE 207
COMMERCE, CA 90040
Rehabilitation Practitioner
2450 S ATLANTIC BLVD
COMMERCE, CA 90040
Rehabilitation Practitioner
2450 S ATLANTIC BLVD
COMMERCE, CA 90040
Marriage & Family Therapist
2450 S ATLANTIC BLVD, STE. 101
COMMERCE, CA 90040
Marriage & Family Therapist
2450 S ATLANTIC BLVD, SUITE 101
COMMERCE, CA 90040
Community/Behavioral Health
2450 S ATLANTIC BLVD, SUITE # 101
COMMERCE, CA 90040
Rehabilitation Practitioner
2450 S ATLANTIC BLVD, STE. 101
COMMERCE, CA 90040
Rehabilitation Practitioner
2450 S ATLANTIC BLVD, SUITE 101
COMMERCE, CA 90040
Rehabilitation Practitioner
2450 S ATLANTIC BLVD
COMMERCE, CA 90040
Case Manager/Care Coordinator
2450 S ATLANTIC BLVD, SUITE # 101
COMMERCE, CA 90040
Marriage & Family Therapist
2450 S ATLANTIC BLVD, #101
COMMERCE, CA 90040
Rehabilitation Practitioner
2450 S ATLANTIC BLVD
COMMERCE, CA 90040

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285819649, enumerated as an "individual" on January 04, 2008.

The provider is located at 2450 S ATLANTIC BLVD SUITE #101 COMMERCE, CA 90040 and the phone number is (323) 318-9960.

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.